GLSA 201908-25: hostapd and wpa_supplicant: Denial of Service

Severity:normal
Title:hostapd and wpa_supplicant: Denial of Service
Date:08/18/2019
Bugs: #685860, #688588
ID:201908-25

Synopsis

A vulnerability in hostapd and wpa_supplicant could lead to a Denial of Service condition.

Background

wpa_supplicant is a WPA Supplicant with support for WPA and WPA2 (IEEE 802.11i / RSN).

hostapd is a user space daemon for access point and authentication servers.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-wireless/wpa_supplicant < 2.8 >= 2.8 All supported architectures
net-wireless/hostapd < 2.8 >= 2.8 All supported architectures

Description

A vulnerability was discovered in hostapd’s and wpa_supplicant’s eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c files.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All hostapd users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-wireless/hostapd-2.8"
    

All wpa_supplicant users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=net-wireless/wpa_supplicant-2.8"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201908-25.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!